United States of America
Headstone of Brent Alan Thompson
U.S. Marine Corps · United States United States

Brent Alan Thompson

Died July 7, 2016

Brent Alan Thompson served in the U.S. Marine Corps.

How He Died
Manner Homicide
Cause Gunshot wound
Mechanism Firearm

Gunfire

What Happened

Police Officer Brent Thompson of the Dallas Area Rapid Transit Police Department, Senior Corporal Lorne Ahrens, Police Officer Michael Krol, Sergeant Michael Smith, and Police Officer Patrick Zamarripa of the Dallas Police Department were shot and killed by an active shooter during a protest in downtown Dallas.

As the protesters walked down Main Street between South Lamar Street and South Market Street, a sniper opened fire on police officers who were providing security for the event. The man shot a total of 12 officers, killing five and wounding seven.

The subject was cornered in an adjacent college building and barricaded himself inside for several hours while he spoke to negotiators, during which time he stated he specifically targeted white police officers. He was killed when the Dallas Police Department's Bomb Squad moved an explosive device to the man's location using a robot and detonated it.

Officer Thompson was a U.S. Marine Corps veteran and had served with the Dallas Area Rapid Transit Police Department for nine years. He is survived by his wife, six children, one granddaughter, and three grandchildren. His wife also serves as an officer with the DART Police.

Survivors
He is survived by his wife, six children, one granddaughter, and three grandchildren.
Media
Brent Alan Thompson
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Service Record
U.S. Marine Corps
Also Served
Dallas Area Rapid Transit Police Department
Police Officer
Memorials
National Law Enforcement Officers Memorial Panel 23-W · Line 30 cut as BRENT ALAN THOMPSON
In Our Keeping
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Record added August 2, 2026 neuraweb.nw
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Last updated August 2, 2026

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In tribute

I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.

Police Officer Thompson gave the Dallas Area Rapid Transit Police Department 9 years.

Thank you for your service to the Dallas community. Thank you for your service before it. Gone but never to be forgotten.

Rest easy, brother.

— S. Vincent Anthony, U.S. Army 1985-1993

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